BGP map for 120.133.16.0/21

120.133.16.0/21 is announced by 3 networks, mostly AS133119 China Unicom IP network and seen by 333 peers of 23 RIPE RIS collectors, over 250 different AS paths. Its busiest upstreams are AS4837 CHINA UNICOM China169 Backbone (80%), AS4847 China Networks Inter-Exchange (20%) and AS9808 China Mobile Communications Group Co., Ltd. (<1%). The most common path, used by 11 peers, is AS24482 AS6453 AS4837 AS133119.

Routes checked 03:38:40 UTC

No change in the origin, the upstreams or the number of peers since 03:38 UTC, when this site first looked at 120.133.16.0/21.

AS-path graph toward 120.133.16.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 333 peers (3%) number on a line = peers using that link RIS data up to 03:38 UTC what the colours mean 12 of 250 paths drawn 7 quieter networks left out

Download PNG View JSON Raw upstream

333collector peers

23RIS collectors

250distinct AS paths

4.2average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4837 CHINA UNICOM China169 Backbone	265	80%
AS4847 China Networks Inter-Exchange	66	20%
AS9808 China Mobile Communications Group Co., Ltd.	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4837 CHINA UNICOM China169 Backbone	264	79%
AS1299 TWELVE99 Arelion Sweden AB	76	23%
AS4847 China Networks Inter-Exchange	66	20%
AS4134 No.31,Jin-rong Street	65	20%
AS174 Cogent Communications, LLC	39	12%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	24	7%
AS5511 Opentransit Orange S.A.	19	6%
AS6939 Hurricane Electric LLC	17	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	11	3%
AS701 Verizon Business	10	3%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#	Path, collector peer to origin	Peers	Share	Collectors
1	AS24482 AS6453 AS4837 AS133119	11	3%	11
2	AS8218 AS4134 AS4847 AS9308	7	2%	6
3	AS6461 AS4837 AS133119	5	2%	5
4	AS199524 AS1299 AS4837 AS133119	5	2%	5
5	AS12779 AS4837 AS133119	4	1%	4
6	AS13030 AS1299 AS4837 AS133119	4	1%	4
7	AS9002 AS5511 AS4837 AS133119	4	1%	4
8	AS14840 AS701 AS4837 AS133119	4	1%	2
9	AS47147 AS1299 AS4837 AS133119	4	1%	4
10	AS2914 AS4134 AS4847 AS9308	3	<1%	3
11	AS48185 AS1299 AS4837 AS133119	3	<1%	3
12	AS34927 AS1299 AS4837 AS133119	3	<1%	3
13	AS14907 AS1299 AS4837 AS133119	3	<1%	3
14	AS51185 AS6762 AS4837 AS133119	3	<1%	3
15	AS35280 AS6453 AS4837 AS133119	3	<1%	3
16	AS25091 AS4134 AS4847 AS9308	3	<1%	3
17	AS199524 AS174 AS4837 AS133119	3	<1%	3
18	AS48362 AS1299 AS4837 AS133119	3	<1%	3
19	AS6830 AS4837 AS133119	2	<1%	2
20	AS1299 AS4837 AS133119	2	<1%	2
21	AS6762 AS4837 AS133119	2	<1%	2
22	AS51184 AS4837 AS133119	2	<1%	2
23	AS2497 AS4837 AS133119	2	<1%	2
24	AS3257 AS4134 AS4847 AS9308	2	<1%	2
25	AS3491 AS174 AS4837 AS133119	2	<1%	2
26	AS62167 AS174 AS4837 AS133119	2	<1%	2
27	AS25160 AS174 AS4837 AS133119	2	<1%	2
28	AS42473 AS1299 AS4837 AS133119	2	<1%	2
29	AS31027 AS1299 AS4837 AS133119	2	<1%	1
30	AS3214 AS58807 AS9808 AS56048	2	<1%	2
31	AS34019 AS4134 AS4847 AS9308	2	<1%	2
32	AS15547 AS174 AS4837 AS133119	2	<1%	2
33	AS47692 AS4134 AS4847 AS9308	2	<1%	2
34	AS49544 AS1299 AS4837 AS133119	2	<1%	2
35	AS59890 AS6939 AS4837 AS133119	2	<1%	2
36	AS199524 AS6762 AS4837 AS133119	2	<1%	2
37	AS917 AS60068 AS4134 AS4847 AS9308	2	<1%	2
38	AS58057 AS34549 AS5511 AS4837 AS133119	2	<1%	2
39	AS49544 AS3356 AS4134 AS4847 AS9308	2	<1%	1
40	AS35710 AS3320 AS5511 AS4837 AS133119	2	<1%	2
41	AS49544 AS2914 AS4134 AS4847 AS9308	2	<1%	2
42	AS20612 AS8758 AS3303 AS4837 AS133119	2	<1%	1
43	AS271253 AS3356 AS4134 AS4847 AS9308	2	<1%	1
44	AS142289 AS9583 AS4755 AS6453 AS4837 AS133119	2	<1%	1
45	AS4837 AS133119	1	<1%	1
46	AS5511 AS4837 AS133119	1	<1%	1
47	AS4134 AS4847 AS9308	1	<1%	1
48	AS680 AS4837 AS133119	1	<1%	1
49	AS58299 AS4837 AS133119	1	<1%	1
50	AS12956 AS4837 AS133119	1	<1%	1

50 of 250 paths shown. All of them are in the JSON.

More prefixes from AS133119

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 03:38 UTC, fetched just now.